molecule model litmus blue state

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Molecule model of Litmus in blue state. Royalty Free Stock Photo
Molecule model of Litmus in red state Royalty Free Stock Photo
   
   
   
   
   
Molecule model of Litmus in blue state.
   
   
   
   
   
   
   
Molecule model of Litmus in blue state, with a piece of blue litmus paper on a white plate. White is Hydrogen, black is Carbon, red is Oxygen, and blue is Nitrogen


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